Abstract:
The present invention discloses a base station, the size of which is reduced and which is to be adopted in a mobile communication system. The disclosed small base station includes: a polyhedral housing; an antenna unit disposed on the widest surface of the outer surface of the housing; a first board arranged on any outer surface of the housing; and two or more boards which are arranged in an upright state with the first board and which are arranged to face three or more outer side surfaces of the housing, respectively.
Abstract:
The present invention discloses a base station, the size of which is reduced and which is to be adopted in a mobile communication system. The disclosed small base station includes: a polyhedral housing; an antenna unit disposed on the widest surface of the outer surface of the housing; a first board arranged on any outer surface of the housing; and two or more boards which are arranged in an upright state with the first board and which are arranged to face three or more outer side surfaces of the housing, respectively.
Abstract:
The present invention relates to a remote unit (30) for use in a mobile communication base station system, comprising: a wireless communication unit (33) configured to receive a signal transmitted by wireless communication from a donor unit (20), to convert the received signal into a Radio Frequency ,RF, band signal which belongs to a frequency band for a predetermined mobile communication service, and to output the RF band signal; a service signal processor (31) configured to receive a Multiple Input Multiple Output, MIMO, signal output from the wireless communication unit (33), configured to to divide the signal into a plurality of transmission channel signals, configured to convert the plurality of transmission channel signals into a plurality of RF band signals which belong to the frequency band for the predetermined mobile communication service, and configured to output the plurality of RF band signals to a base station antenna (40); and a synchronization and communication controller (32) configured to extract a synchronization signal from the signal output from the wireless communication unit (33), and to receive a control signal, wherein the service signal processor (31) is configured to receive a reception signal from the base station antenna (40), configured to divide the reception signal into a plurality of reception channel signals, configured to convert the plurality of reception channel signals into a plurality of RF band signals which belong to the frequency band for the predetermined mobile communication service, configured to shift frequencies of the RF band signals by a predetermined amount, and configured to output the resultant RF band signals, where the synchronization and communication controller (32) is configured to generate a control signal of a predetermined frequency band, and configured to provide the control signal to the donor unit (20), and the wireless communication unit (33) is configured to synthesize the signals of the reception channels output from the service signal processor (31) and the control signal generated from the synchronization and communication controller (32), is configured to convert the synthesized signal into a signal of a predetermined frequency, and configured to transmit the synthetisized signal to the donor unit (20).
Abstract:
The present invention relates to a mobile communication base station system comprising: a donor unit connected to a baseband unit; and a remote unit installed at the base station antenna side, wherein the donor unit has a baseband signal processing part including a digital signal processing part for processing interface with the baseband unit, a wireless communication part for processing a wireless communication signal between the baseband signal processing part and the remote unit, and a synchronization and communication control part for processing a synchronizing signal and a communication control signal from the baseband unit, and wherein the remote unit has a service signal processing part for processing MIMO interface with a base station antenna, a wireless communication part for processing a wireless communication signal between the service signal processing part and the donor unit, and a synchronization and communication control part for processing a synchronizing signal and a communication control signal from the donor unit. The donor unit and the remote unit can be easily expanded in a daisy-chain fashion, thereby broadening coverage, and can also be utilized for multihop relay, and thus are suitable for small cell-based next generation communication systems for capacity expansion.
Abstract:
A small-sized base station employed in a mobile communication system is disclosed. To this end, the small-sized base station in a mobile communication system, according to one embodiment of the present invention, is a base station device in a mobile communication system comprising: a case which has the shape of a polyhedron and is hollow inside; a housing accommodated inside the case and having the same polyhedron shape as the case; and at least one board which is positioned between the case and the housing.